12:Oxidation states Flashcards
What does OIL RIG mean
Oxidation
Is
Loss of electrons
Reduction
Is
Gain of electrons
What is a redox reaction
A reaction that involves both reduction and oxidation
What is the oxidation state of element in the elemental state
0
eg. Ca (0) Mg (0)
What is the oxidation state of Hydrogen in nearly all compounds
+1
What is the oxidation state of Oxygen in nearly all compounds
-2
What is an oxidising agent
The substance that contains the element that is reduced
What is a reducing agent
The substance that contains the element that is oxidised
When an atom is oxidised what happens to the oxidation state
The oxidation state increases
When an atom is reduced what happens to the oxidation state
The oxidation state decreases